open-consul/agent/consul/state/config_entry_test.go

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package state
import (
"testing"
"time"
"github.com/hashicorp/consul/agent/structs"
memdb "github.com/hashicorp/go-memdb"
"github.com/stretchr/testify/require"
)
func TestStore_ConfigEntry(t *testing.T) {
require := require.New(t)
s := testStateStore(t)
expected := &structs.ProxyConfigEntry{
Kind: structs.ProxyDefaults,
Name: "global",
Config: map[string]interface{}{
"DestinationServiceName": "foo",
},
}
// Create
require.NoError(s.EnsureConfigEntry(0, expected))
idx, config, err := s.ConfigEntry(nil, structs.ProxyDefaults, "global")
require.NoError(err)
require.Equal(uint64(0), idx)
require.Equal(expected, config)
// Update
updated := &structs.ProxyConfigEntry{
Kind: structs.ProxyDefaults,
Name: "global",
Config: map[string]interface{}{
"DestinationServiceName": "bar",
},
}
require.NoError(s.EnsureConfigEntry(1, updated))
idx, config, err = s.ConfigEntry(nil, structs.ProxyDefaults, "global")
require.NoError(err)
require.Equal(uint64(1), idx)
require.Equal(updated, config)
// Delete
require.NoError(s.DeleteConfigEntry(2, structs.ProxyDefaults, "global"))
idx, config, err = s.ConfigEntry(nil, structs.ProxyDefaults, "global")
require.NoError(err)
require.Equal(uint64(2), idx)
require.Nil(config)
// Set up a watch.
serviceConf := &structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "foo",
}
require.NoError(s.EnsureConfigEntry(3, serviceConf))
ws := memdb.NewWatchSet()
_, _, err = s.ConfigEntry(ws, structs.ServiceDefaults, "foo")
require.NoError(err)
// Make an unrelated modification and make sure the watch doesn't fire.
require.NoError(s.EnsureConfigEntry(4, updated))
require.False(watchFired(ws))
// Update the watched config and make sure it fires.
serviceConf.Protocol = "http"
require.NoError(s.EnsureConfigEntry(5, serviceConf))
require.True(watchFired(ws))
}
func TestStore_ConfigEntryCAS(t *testing.T) {
require := require.New(t)
s := testStateStore(t)
expected := &structs.ProxyConfigEntry{
Kind: structs.ProxyDefaults,
Name: "global",
Config: map[string]interface{}{
"DestinationServiceName": "foo",
},
}
// Create
require.NoError(s.EnsureConfigEntry(1, expected))
idx, config, err := s.ConfigEntry(nil, structs.ProxyDefaults, "global")
require.NoError(err)
require.Equal(uint64(1), idx)
require.Equal(expected, config)
// Update with invalid index
updated := &structs.ProxyConfigEntry{
Kind: structs.ProxyDefaults,
Name: "global",
Config: map[string]interface{}{
"DestinationServiceName": "bar",
},
}
ok, err := s.EnsureConfigEntryCAS(2, 99, updated)
require.False(ok)
require.NoError(err)
// Entry should not be changed
idx, config, err = s.ConfigEntry(nil, structs.ProxyDefaults, "global")
require.NoError(err)
require.Equal(uint64(1), idx)
require.Equal(expected, config)
// Update with a valid index
ok, err = s.EnsureConfigEntryCAS(2, 1, updated)
require.True(ok)
require.NoError(err)
// Entry should be updated
idx, config, err = s.ConfigEntry(nil, structs.ProxyDefaults, "global")
require.NoError(err)
require.Equal(uint64(2), idx)
require.Equal(updated, config)
}
func TestStore_ConfigEntries(t *testing.T) {
require := require.New(t)
s := testStateStore(t)
// Create some config entries.
entry1 := &structs.ProxyConfigEntry{
Kind: structs.ProxyDefaults,
Name: "test1",
}
entry2 := &structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "test2",
}
entry3 := &structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "test3",
}
require.NoError(s.EnsureConfigEntry(0, entry1))
require.NoError(s.EnsureConfigEntry(1, entry2))
require.NoError(s.EnsureConfigEntry(2, entry3))
// Get all entries
idx, entries, err := s.ConfigEntries(nil)
require.NoError(err)
require.Equal(uint64(2), idx)
require.Equal([]structs.ConfigEntry{entry1, entry2, entry3}, entries)
// Get all proxy entries
idx, entries, err = s.ConfigEntriesByKind(nil, structs.ProxyDefaults)
require.NoError(err)
require.Equal(uint64(2), idx)
require.Equal([]structs.ConfigEntry{entry1}, entries)
// Get all service entries
ws := memdb.NewWatchSet()
idx, entries, err = s.ConfigEntriesByKind(ws, structs.ServiceDefaults)
require.NoError(err)
require.Equal(uint64(2), idx)
require.Equal([]structs.ConfigEntry{entry2, entry3}, entries)
// Watch should not have fired
require.False(watchFired(ws))
// Now make an update and make sure the watch fires.
require.NoError(s.EnsureConfigEntry(3, &structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "test2",
Protocol: "tcp",
}))
require.True(watchFired(ws))
}
func TestStore_ConfigEntry_GraphValidation(t *testing.T) {
for _, tc := range []struct {
name string
entries []structs.ConfigEntry
op func(t *testing.T, s *Store) error
expectErr string
expectGraphErr bool
}{
{
name: "splitter fails without default protocol",
entries: []structs.ConfigEntry{},
op: func(t *testing.T, s *Store) error {
entry := &structs.ServiceSplitterConfigEntry{
Kind: structs.ServiceSplitter,
Name: "main",
Splits: []structs.ServiceSplit{
{Weight: 90, Namespace: "v1"},
{Weight: 10, Namespace: "v2"},
},
}
return s.EnsureConfigEntry(0, entry)
},
expectErr: "does not permit advanced routing or splitting behavior",
expectGraphErr: true,
},
{
name: "splitter fails with tcp protocol",
entries: []structs.ConfigEntry{
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "tcp",
},
},
op: func(t *testing.T, s *Store) error {
entry := &structs.ServiceSplitterConfigEntry{
Kind: structs.ServiceSplitter,
Name: "main",
Splits: []structs.ServiceSplit{
{Weight: 90, Namespace: "v1"},
{Weight: 10, Namespace: "v2"},
},
}
return s.EnsureConfigEntry(0, entry)
},
expectErr: "does not permit advanced routing or splitting behavior",
expectGraphErr: true,
},
{
name: "splitter works with http protocol",
entries: []structs.ConfigEntry{
&structs.ProxyConfigEntry{
Kind: structs.ProxyDefaults,
Name: structs.ProxyConfigGlobal,
Config: map[string]interface{}{
"protocol": "tcp", // loses
},
},
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "http",
},
},
op: func(t *testing.T, s *Store) error {
entry := &structs.ServiceSplitterConfigEntry{
Kind: structs.ServiceSplitter,
Name: "main",
Splits: []structs.ServiceSplit{
{Weight: 90, Namespace: "v1"},
{Weight: 10, Namespace: "v2"},
},
}
return s.EnsureConfigEntry(0, entry)
},
},
{
name: "splitter works with http protocol (from proxy-defaults)",
entries: []structs.ConfigEntry{
&structs.ProxyConfigEntry{
Kind: structs.ProxyDefaults,
Name: structs.ProxyConfigGlobal,
Config: map[string]interface{}{
"protocol": "http",
},
},
},
op: func(t *testing.T, s *Store) error {
entry := &structs.ServiceSplitterConfigEntry{
Kind: structs.ServiceSplitter,
Name: "main",
Splits: []structs.ServiceSplit{
{Weight: 90, Namespace: "v1"},
{Weight: 10, Namespace: "v2"},
},
}
return s.EnsureConfigEntry(0, entry)
},
},
{
name: "router fails with tcp protocol",
entries: []structs.ConfigEntry{
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "tcp",
},
},
op: func(t *testing.T, s *Store) error {
entry := &structs.ServiceRouterConfigEntry{
Kind: structs.ServiceRouter,
Name: "main",
Routes: []structs.ServiceRoute{
{
Match: &structs.ServiceRouteMatch{
HTTP: &structs.ServiceRouteHTTPMatch{
PathExact: "/other",
},
},
Destination: &structs.ServiceRouteDestination{
Namespace: "other",
},
},
},
}
return s.EnsureConfigEntry(0, entry)
},
expectErr: "does not permit advanced routing or splitting behavior",
expectGraphErr: true,
},
{
name: "router fails without default protocol",
entries: []structs.ConfigEntry{},
op: func(t *testing.T, s *Store) error {
entry := &structs.ServiceRouterConfigEntry{
Kind: structs.ServiceRouter,
Name: "main",
Routes: []structs.ServiceRoute{
{
Match: &structs.ServiceRouteMatch{
HTTP: &structs.ServiceRouteHTTPMatch{
PathExact: "/other",
},
},
Destination: &structs.ServiceRouteDestination{
Namespace: "other",
},
},
},
}
return s.EnsureConfigEntry(0, entry)
},
expectErr: "does not permit advanced routing or splitting behavior",
expectGraphErr: true,
},
/////////////////////////////////////////////////
{
name: "cannot remove default protocol after splitter created",
entries: []structs.ConfigEntry{
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "http",
},
&structs.ServiceSplitterConfigEntry{
Kind: structs.ServiceSplitter,
Name: "main",
Splits: []structs.ServiceSplit{
{Weight: 90, Namespace: "v1"},
{Weight: 10, Namespace: "v2"},
},
},
},
op: func(t *testing.T, s *Store) error {
return s.DeleteConfigEntry(0, structs.ServiceDefaults, "main")
},
expectErr: "does not permit advanced routing or splitting behavior",
expectGraphErr: true,
},
{
name: "cannot remove global default protocol after splitter created",
entries: []structs.ConfigEntry{
&structs.ProxyConfigEntry{
Kind: structs.ProxyDefaults,
Name: structs.ProxyConfigGlobal,
Config: map[string]interface{}{
"protocol": "http",
},
},
&structs.ServiceSplitterConfigEntry{
Kind: structs.ServiceSplitter,
Name: "main",
Splits: []structs.ServiceSplit{
{Weight: 90, Namespace: "v1"},
{Weight: 10, Namespace: "v2"},
},
},
},
op: func(t *testing.T, s *Store) error {
return s.DeleteConfigEntry(0, structs.ProxyDefaults, structs.ProxyConfigGlobal)
},
expectErr: "does not permit advanced routing or splitting behavior",
expectGraphErr: true,
},
{
name: "can remove global default protocol after splitter created if service default overrides it",
entries: []structs.ConfigEntry{
&structs.ProxyConfigEntry{
Kind: structs.ProxyDefaults,
Name: structs.ProxyConfigGlobal,
Config: map[string]interface{}{
"protocol": "http",
},
},
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "http",
},
&structs.ServiceSplitterConfigEntry{
Kind: structs.ServiceSplitter,
Name: "main",
Splits: []structs.ServiceSplit{
{Weight: 90, Namespace: "v1"},
{Weight: 10, Namespace: "v2"},
},
},
},
op: func(t *testing.T, s *Store) error {
return s.DeleteConfigEntry(0, structs.ProxyDefaults, structs.ProxyConfigGlobal)
},
},
{
name: "cannot change to tcp protocol after splitter created",
entries: []structs.ConfigEntry{
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "http",
},
&structs.ServiceSplitterConfigEntry{
Kind: structs.ServiceSplitter,
Name: "main",
Splits: []structs.ServiceSplit{
{Weight: 90, Namespace: "v1"},
{Weight: 10, Namespace: "v2"},
},
},
},
op: func(t *testing.T, s *Store) error {
entry := &structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "tcp",
}
return s.EnsureConfigEntry(0, entry)
},
expectErr: "does not permit advanced routing or splitting behavior",
expectGraphErr: true,
},
{
name: "cannot remove default protocol after router created",
entries: []structs.ConfigEntry{
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "http",
},
&structs.ServiceRouterConfigEntry{
Kind: structs.ServiceRouter,
Name: "main",
Routes: []structs.ServiceRoute{
{
Match: &structs.ServiceRouteMatch{
HTTP: &structs.ServiceRouteHTTPMatch{
PathExact: "/other",
},
},
Destination: &structs.ServiceRouteDestination{
Namespace: "other",
},
},
},
},
},
op: func(t *testing.T, s *Store) error {
return s.DeleteConfigEntry(0, structs.ServiceDefaults, "main")
},
expectErr: "does not permit advanced routing or splitting behavior",
expectGraphErr: true,
},
{
name: "cannot change to tcp protocol after router created",
entries: []structs.ConfigEntry{
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "http",
},
&structs.ServiceRouterConfigEntry{
Kind: structs.ServiceRouter,
Name: "main",
Routes: []structs.ServiceRoute{
{
Match: &structs.ServiceRouteMatch{
HTTP: &structs.ServiceRouteHTTPMatch{
PathExact: "/other",
},
},
Destination: &structs.ServiceRouteDestination{
Namespace: "other",
},
},
},
},
},
op: func(t *testing.T, s *Store) error {
entry := &structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "tcp",
}
return s.EnsureConfigEntry(0, entry)
},
expectErr: "does not permit advanced routing or splitting behavior",
expectGraphErr: true,
},
/////////////////////////////////////////////////
{
name: "cannot split to a service using tcp",
entries: []structs.ConfigEntry{
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "http",
},
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "other",
Protocol: "tcp",
},
},
op: func(t *testing.T, s *Store) error {
entry := &structs.ServiceSplitterConfigEntry{
Kind: structs.ServiceSplitter,
Name: "main",
Splits: []structs.ServiceSplit{
{Weight: 90},
{Weight: 10, Service: "other"},
},
}
return s.EnsureConfigEntry(0, entry)
},
expectErr: "uses inconsistent protocols",
expectGraphErr: true,
},
{
name: "cannot route to a service using tcp",
entries: []structs.ConfigEntry{
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "http",
},
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "other",
Protocol: "tcp",
},
},
op: func(t *testing.T, s *Store) error {
entry := &structs.ServiceRouterConfigEntry{
Kind: structs.ServiceRouter,
Name: "main",
Routes: []structs.ServiceRoute{
{
Match: &structs.ServiceRouteMatch{
HTTP: &structs.ServiceRouteHTTPMatch{
PathExact: "/other",
},
},
Destination: &structs.ServiceRouteDestination{
Service: "other",
},
},
},
}
return s.EnsureConfigEntry(0, entry)
},
expectErr: "uses inconsistent protocols",
expectGraphErr: true,
},
/////////////////////////////////////////////////
{
name: "cannot failover to a service using a different protocol",
entries: []structs.ConfigEntry{
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "grpc",
},
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "other",
Protocol: "tcp",
},
&structs.ServiceResolverConfigEntry{
Kind: structs.ServiceResolver,
Name: "main",
ConnectTimeout: 33 * time.Second,
},
},
op: func(t *testing.T, s *Store) error {
entry := &structs.ServiceResolverConfigEntry{
Kind: structs.ServiceResolver,
Name: "main",
Failover: map[string]structs.ServiceResolverFailover{
"*": structs.ServiceResolverFailover{
Service: "other",
},
},
}
return s.EnsureConfigEntry(0, entry)
},
expectErr: "uses inconsistent protocols",
expectGraphErr: true,
},
{
name: "cannot redirect to a service using a different protocol",
entries: []structs.ConfigEntry{
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "grpc",
},
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "other",
Protocol: "tcp",
},
&structs.ServiceResolverConfigEntry{
Kind: structs.ServiceResolver,
Name: "main",
ConnectTimeout: 33 * time.Second,
},
},
op: func(t *testing.T, s *Store) error {
entry := &structs.ServiceResolverConfigEntry{
Kind: structs.ServiceResolver,
Name: "main",
Redirect: &structs.ServiceResolverRedirect{
Service: "other",
},
}
return s.EnsureConfigEntry(0, entry)
},
expectErr: "uses inconsistent protocols",
expectGraphErr: true,
},
/////////////////////////////////////////////////
{
name: "redirect to a subset that does exist is fine",
entries: []structs.ConfigEntry{
&structs.ServiceResolverConfigEntry{
Kind: structs.ServiceResolver,
Name: "other",
ConnectTimeout: 33 * time.Second,
Subsets: map[string]structs.ServiceResolverSubset{
"v1": structs.ServiceResolverSubset{
Filter: "Service.Meta.version == v1",
},
},
},
},
op: func(t *testing.T, s *Store) error {
entry := &structs.ServiceResolverConfigEntry{
Kind: structs.ServiceResolver,
Name: "main",
Redirect: &structs.ServiceResolverRedirect{
Service: "other",
ServiceSubset: "v1",
},
}
return s.EnsureConfigEntry(0, entry)
},
},
{
name: "cannot redirect to a subset that does not exist",
entries: []structs.ConfigEntry{
&structs.ServiceResolverConfigEntry{
Kind: structs.ServiceResolver,
Name: "other",
ConnectTimeout: 33 * time.Second,
},
},
op: func(t *testing.T, s *Store) error {
entry := &structs.ServiceResolverConfigEntry{
Kind: structs.ServiceResolver,
Name: "main",
Redirect: &structs.ServiceResolverRedirect{
Service: "other",
ServiceSubset: "v1",
},
}
return s.EnsureConfigEntry(0, entry)
},
expectErr: `does not have a subset named "v1"`,
expectGraphErr: true,
},
} {
tc := tc
t.Run(tc.name, func(t *testing.T) {
s := testStateStore(t)
for _, entry := range tc.entries {
require.NoError(t, s.EnsureConfigEntry(0, entry))
}
err := tc.op(t, s)
if tc.expectErr != "" {
require.Error(t, err)
require.Contains(t, err.Error(), tc.expectErr)
_, ok := err.(*structs.ConfigEntryGraphError)
if tc.expectGraphErr {
require.True(t, ok, "%T is not a *ConfigEntryGraphError", err)
} else {
require.False(t, ok, "did not expect a *ConfigEntryGraphError here: %v", err)
}
} else {
require.NoError(t, err)
}
})
}
}
func TestStore_ReadDiscoveryChainConfigEntries_Overrides(t *testing.T) {
for _, tc := range []struct {
name string
entries []structs.ConfigEntry
expectBefore []structs.ConfigEntryKindName
overrides map[structs.ConfigEntryKindName]structs.ConfigEntry
expectAfter []structs.ConfigEntryKindName
expectAfterErr string
checkAfter func(t *testing.T, entrySet *structs.DiscoveryChainConfigEntries)
}{
{
name: "mask service-defaults",
entries: []structs.ConfigEntry{
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "tcp",
},
},
expectBefore: []structs.ConfigEntryKindName{
{Kind: structs.ServiceDefaults, Name: "main"},
},
overrides: map[structs.ConfigEntryKindName]structs.ConfigEntry{
{Kind: structs.ServiceDefaults, Name: "main"}: nil,
},
expectAfter: []structs.ConfigEntryKindName{
// nothing
},
},
{
name: "edit service-defaults",
entries: []structs.ConfigEntry{
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "tcp",
},
},
expectBefore: []structs.ConfigEntryKindName{
{Kind: structs.ServiceDefaults, Name: "main"},
},
overrides: map[structs.ConfigEntryKindName]structs.ConfigEntry{
{Kind: structs.ServiceDefaults, Name: "main"}: &structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "grpc",
},
},
expectAfter: []structs.ConfigEntryKindName{
{Kind: structs.ServiceDefaults, Name: "main"},
},
checkAfter: func(t *testing.T, entrySet *structs.DiscoveryChainConfigEntries) {
defaults := entrySet.GetService("main")
require.NotNil(t, defaults)
require.Equal(t, "grpc", defaults.Protocol)
},
},
{
name: "mask service-router",
entries: []structs.ConfigEntry{
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "http",
},
&structs.ServiceRouterConfigEntry{
Kind: structs.ServiceRouter,
Name: "main",
},
},
expectBefore: []structs.ConfigEntryKindName{
{Kind: structs.ServiceDefaults, Name: "main"},
{Kind: structs.ServiceRouter, Name: "main"},
},
overrides: map[structs.ConfigEntryKindName]structs.ConfigEntry{
{Kind: structs.ServiceRouter, Name: "main"}: nil,
},
expectAfter: []structs.ConfigEntryKindName{
{Kind: structs.ServiceDefaults, Name: "main"},
},
},
{
name: "edit service-router",
entries: []structs.ConfigEntry{
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "http",
},
&structs.ServiceResolverConfigEntry{
Kind: structs.ServiceResolver,
Name: "main",
Subsets: map[string]structs.ServiceResolverSubset{
"v1": {Filter: "Service.Meta.version == v1"},
"v2": {Filter: "Service.Meta.version == v2"},
"v3": {Filter: "Service.Meta.version == v3"},
},
},
&structs.ServiceRouterConfigEntry{
Kind: structs.ServiceRouter,
Name: "main",
Routes: []structs.ServiceRoute{
{
Match: &structs.ServiceRouteMatch{
HTTP: &structs.ServiceRouteHTTPMatch{
PathExact: "/admin",
},
},
Destination: &structs.ServiceRouteDestination{
ServiceSubset: "v2",
},
},
},
},
},
expectBefore: []structs.ConfigEntryKindName{
{Kind: structs.ServiceDefaults, Name: "main"},
{Kind: structs.ServiceResolver, Name: "main"},
{Kind: structs.ServiceRouter, Name: "main"},
},
overrides: map[structs.ConfigEntryKindName]structs.ConfigEntry{
{Kind: structs.ServiceRouter, Name: "main"}: &structs.ServiceRouterConfigEntry{
Kind: structs.ServiceRouter,
Name: "main",
Routes: []structs.ServiceRoute{
{
Match: &structs.ServiceRouteMatch{
HTTP: &structs.ServiceRouteHTTPMatch{
PathExact: "/admin",
},
},
Destination: &structs.ServiceRouteDestination{
ServiceSubset: "v3",
},
},
},
},
},
expectAfter: []structs.ConfigEntryKindName{
{Kind: structs.ServiceDefaults, Name: "main"},
{Kind: structs.ServiceResolver, Name: "main"},
{Kind: structs.ServiceRouter, Name: "main"},
},
checkAfter: func(t *testing.T, entrySet *structs.DiscoveryChainConfigEntries) {
router := entrySet.GetRouter("main")
require.NotNil(t, router)
require.Len(t, router.Routes, 1)
expect := structs.ServiceRoute{
Match: &structs.ServiceRouteMatch{
HTTP: &structs.ServiceRouteHTTPMatch{
PathExact: "/admin",
},
},
Destination: &structs.ServiceRouteDestination{
ServiceSubset: "v3",
},
}
require.Equal(t, expect, router.Routes[0])
},
},
{
name: "mask service-splitter",
entries: []structs.ConfigEntry{
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "http",
},
&structs.ServiceSplitterConfigEntry{
Kind: structs.ServiceSplitter,
Name: "main",
Splits: []structs.ServiceSplit{
{Weight: 100},
},
},
},
expectBefore: []structs.ConfigEntryKindName{
{Kind: structs.ServiceDefaults, Name: "main"},
{Kind: structs.ServiceSplitter, Name: "main"},
},
overrides: map[structs.ConfigEntryKindName]structs.ConfigEntry{
{Kind: structs.ServiceSplitter, Name: "main"}: nil,
},
expectAfter: []structs.ConfigEntryKindName{
{Kind: structs.ServiceDefaults, Name: "main"},
},
},
{
name: "edit service-splitter",
entries: []structs.ConfigEntry{
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "http",
},
&structs.ServiceSplitterConfigEntry{
Kind: structs.ServiceSplitter,
Name: "main",
Splits: []structs.ServiceSplit{
{Weight: 100},
},
},
},
expectBefore: []structs.ConfigEntryKindName{
{Kind: structs.ServiceDefaults, Name: "main"},
{Kind: structs.ServiceSplitter, Name: "main"},
},
overrides: map[structs.ConfigEntryKindName]structs.ConfigEntry{
{Kind: structs.ServiceSplitter, Name: "main"}: &structs.ServiceSplitterConfigEntry{
Kind: structs.ServiceSplitter,
Name: "main",
Splits: []structs.ServiceSplit{
{Weight: 85, ServiceSubset: "v1"},
{Weight: 15, ServiceSubset: "v2"},
},
},
},
expectAfter: []structs.ConfigEntryKindName{
{Kind: structs.ServiceDefaults, Name: "main"},
{Kind: structs.ServiceSplitter, Name: "main"},
},
checkAfter: func(t *testing.T, entrySet *structs.DiscoveryChainConfigEntries) {
splitter := entrySet.GetSplitter("main")
require.NotNil(t, splitter)
require.Len(t, splitter.Splits, 2)
expect := []structs.ServiceSplit{
{Weight: 85, ServiceSubset: "v1"},
{Weight: 15, ServiceSubset: "v2"},
}
require.Equal(t, expect, splitter.Splits)
},
},
{
name: "mask service-resolver",
entries: []structs.ConfigEntry{
&structs.ServiceResolverConfigEntry{
Kind: structs.ServiceResolver,
Name: "main",
},
},
expectBefore: []structs.ConfigEntryKindName{
{Kind: structs.ServiceResolver, Name: "main"},
},
overrides: map[structs.ConfigEntryKindName]structs.ConfigEntry{
{Kind: structs.ServiceResolver, Name: "main"}: nil,
},
expectAfter: []structs.ConfigEntryKindName{
// nothing
},
},
{
name: "edit service-resolver",
entries: []structs.ConfigEntry{
&structs.ServiceResolverConfigEntry{
Kind: structs.ServiceResolver,
Name: "main",
},
},
expectBefore: []structs.ConfigEntryKindName{
{Kind: structs.ServiceResolver, Name: "main"},
},
overrides: map[structs.ConfigEntryKindName]structs.ConfigEntry{
{Kind: structs.ServiceResolver, Name: "main"}: &structs.ServiceResolverConfigEntry{
Kind: structs.ServiceResolver,
Name: "main",
ConnectTimeout: 33 * time.Second,
},
},
expectAfter: []structs.ConfigEntryKindName{
{Kind: structs.ServiceResolver, Name: "main"},
},
checkAfter: func(t *testing.T, entrySet *structs.DiscoveryChainConfigEntries) {
resolver := entrySet.GetResolver("main")
require.NotNil(t, resolver)
require.Equal(t, 33*time.Second, resolver.ConnectTimeout)
},
},
} {
tc := tc
t.Run(tc.name, func(t *testing.T) {
s := testStateStore(t)
for _, entry := range tc.entries {
require.NoError(t, s.EnsureConfigEntry(0, entry))
}
t.Run("without override", func(t *testing.T) {
_, entrySet, err := s.readDiscoveryChainConfigEntries(nil, "main", nil)
require.NoError(t, err)
got := entrySetToKindNames(entrySet)
require.ElementsMatch(t, tc.expectBefore, got)
})
t.Run("with override", func(t *testing.T) {
_, entrySet, err := s.readDiscoveryChainConfigEntries(nil, "main", tc.overrides)
if tc.expectAfterErr != "" {
require.Error(t, err)
require.Contains(t, err.Error(), tc.expectAfterErr)
} else {
require.NoError(t, err)
got := entrySetToKindNames(entrySet)
require.ElementsMatch(t, tc.expectAfter, got)
if tc.checkAfter != nil {
tc.checkAfter(t, entrySet)
}
}
})
})
}
}
func entrySetToKindNames(entrySet *structs.DiscoveryChainConfigEntries) []structs.ConfigEntryKindName {
var out []structs.ConfigEntryKindName
for _, entry := range entrySet.Routers {
out = append(out, structs.ConfigEntryKindName{
Kind: entry.Kind,
Name: entry.Name,
})
}
for _, entry := range entrySet.Splitters {
out = append(out, structs.ConfigEntryKindName{
Kind: entry.Kind,
Name: entry.Name,
})
}
for _, entry := range entrySet.Resolvers {
out = append(out, structs.ConfigEntryKindName{
Kind: entry.Kind,
Name: entry.Name,
})
}
for _, entry := range entrySet.Services {
out = append(out, structs.ConfigEntryKindName{
Kind: entry.Kind,
Name: entry.Name,
})
}
return out
}
func TestStore_ReadDiscoveryChainConfigEntries_SubsetSplit(t *testing.T) {
s := testStateStore(t)
entries := []structs.ConfigEntry{
&structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "main",
Protocol: "http",
},
&structs.ServiceResolverConfigEntry{
Kind: structs.ServiceResolver,
Name: "main",
Subsets: map[string]structs.ServiceResolverSubset{
"v1": structs.ServiceResolverSubset{
Filter: "Service.Meta.version == v1",
},
"v2": structs.ServiceResolverSubset{
Filter: "Service.Meta.version == v2",
},
},
},
&structs.ServiceSplitterConfigEntry{
Kind: structs.ServiceSplitter,
Name: "main",
Splits: []structs.ServiceSplit{
{Weight: 90, ServiceSubset: "v1"},
{Weight: 10, ServiceSubset: "v2"},
},
},
}
for _, entry := range entries {
require.NoError(t, s.EnsureConfigEntry(0, entry))
}
_, entrySet, err := s.ReadDiscoveryChainConfigEntries(nil, "main")
require.NoError(t, err)
require.Len(t, entrySet.Routers, 0)
require.Len(t, entrySet.Splitters, 1)
require.Len(t, entrySet.Resolvers, 1)
require.Len(t, entrySet.Services, 1)
}